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Brownsville, TX Local Forecast Office

30NM N Port Mansfield TX

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SE wind around 12 kt. A chance of showers and thunderstorms, mainly between 2am and 5am.   Seas around 3 ft.

      Low: 82 °F

      SE 12kt
      3ft

    • Columbus Day

      Columbus Day:SE wind 9 to 13 kt. A slight chance of showers before noon, then a slight chance of showers and thunderstorms between noon and 1pm.   Seas around 3 ft.

      High: 86 °F

      SE 13kt
      3ft

    • Monday Night

      Monday Night:SE wind 11 to 13 kt. Partly cloudy. Seas around 3 ft.

      Low: 83 °F

      SE 13kt
      3ft

    • Tuesday

      Tuesday:SSE wind 12 to 17 kt, with gusts as high as 24 kt. Sunny. Seas around 3 ft.

      High: 86 °F

      SSE 17kt
      3ft

    • Tuesday Night

      Tuesday Night:SE wind 14 to 16 kt, with gusts as high as 22 kt. Mostly clear. Seas around 3 ft.

      Low: 83 °F

      SE 16kt
      3ft

    • Wednesday

      Wednesday:SSE wind 14 to 17 kt, with gusts as high as 25 kt. Sunny. Seas 3 to 4 ft.

      High: 85 °F

      SSE 17kt
      3-4ft

    • Wednesday Night

      Wednesday Night:SE wind around 16 kt, with gusts as high as 23 kt. Mostly clear. Seas around 4 ft.

      Low: 81 °F

      SE 16kt
      4ft

    • Thursday

      Thursday:SE wind 12 to 14 kt. Sunny. Seas 3 to 4 ft.

      High: 84 °F

      SE 14kt
      3-4ft

    • Thursday Night

      Thursday Night:ESE wind 7 to 11 kt. Mostly clear. Seas 2 to 3 ft.

      Low: 80 °F

      ESE 11kt
      2-3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:00 pm CDT Oct 11, 2026
Forecast Valid: 9pm CDT Oct 11, 2026-6pm CDT Oct 18, 2026

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Detailed Forecast


Tonight
SE wind around 12 kt. A chance of showers and thunderstorms, mainly between 2am and 5am. Seas around 3 ft.
Columbus Day
SE wind 9 to 13 kt. A slight chance of showers before noon, then a slight chance of showers and thunderstorms between noon and 1pm. Seas around 3 ft.
Monday Night
SE wind 11 to 13 kt. Partly cloudy. Seas around 3 ft.
Tuesday
SSE wind 12 to 17 kt, with gusts as high as 24 kt. Sunny. Seas around 3 ft.
Tuesday Night
SE wind 14 to 16 kt, with gusts as high as 22 kt. Mostly clear. Seas around 3 ft.
Wednesday
SSE wind 14 to 17 kt, with gusts as high as 25 kt. Sunny. Seas 3 to 4 ft.
Wednesday Night
SE wind around 16 kt, with gusts as high as 23 kt. Mostly clear. Seas around 4 ft.
Thursday
SE wind 12 to 14 kt. Sunny. Seas 3 to 4 ft.
Thursday Night
ESE wind 7 to 11 kt. Mostly clear. Seas 2 to 3 ft.

Winds and seas higher in and near thunderstorms.

*Notices:

  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.
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ABOUT THIS FORECAST

Point Forecast: 27.06°N 97.36°W
Last Update: 9:00 pm CDT Oct 11, 2026
Forecast Valid: 9pm CDT Oct 11, 2026-6pm CDT Oct 18, 2026
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